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[英]How can I create a javascript library in a separate file and “include” it in another?
[英]How to include a JavaScript object in a separate file
我正在尝试包括一个单独的.js文件,以便可以提取我创建的类,但它无法正常工作,有人可以告诉我为什么吗?
playercharacter.js
function PlayerCharacter() {
this.x = 0;
this.y = 0;
this.dx = 5;
this.dy = 5;
}
PlayerCharacter.prototype.sayHello = function()
{
alert ('hello');
};
的index.html
<html>
<head>
<script src="js/playercharacter.js" type="text/javascript" ></script>
</head>
<body>
<script type="text/javascript" >
var player = new PlayerCharacter();
player.sayHello();
</script>
</body>
</html>
您忘了将JS代码包装到<script>
标记中
<html>
<head>
<script src="js/playercharacter.js" type="text/javascript" ></script>
</head>
<body>
<script type="text/javascript" >
var player = new PlayerCharacter();
player.sayHello();
</script>
</body>
</html>
您的JavaScript代码不在script
标记中。
<script>
var player = new PlayerCharacter();
player.sayHello();
</script>
您需要使用<script>
标记将代码包含在主体中。
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